18121033728
18,121,033,728 is an even composite number composed of five prime numbers multiplied together.
18121033728 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of four hundred thirty-two divisors.
Prime factorization of 18121033728:
211 × 32 × 7 × 292 × 167
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 29 × 29 × 167)See below for interesting mathematical facts about the number 18121033728 from the Numbermatics database.
Names of 18121033728
- Cardinal: 18121033728 can be written as Eighteen billion, one hundred twenty-one million, thirty-three thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 1.8121033728 × 1010
Factors of 18121033728
Divisors of 18121033728
- Number of divisors d(n): 432
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 29 32 36 42 48 56 58 63 64 72 84 87 96 112 116 126 128 144 167 168 174 192 203 224 232 252 256 261 288 334 336 348 384 406 448 464 501 504 512 522 576 609 668 672 696 768 812 841 896 928 1002 1008 1024 1044 1152 1169 1218 1336 1344 1392 1503 1536 1624 1682 1792 1827 1856 2004 2016 2048 2088 2304 2338 2436 2523 2672 2688 2784 3006 3072 3248 3364 3507 3584 3654 3712 4008 4032 4176 4608 4676 4843 4872 5046 5344 5376 5568 5887 6012 6144 6496 6728 7014 7168 7308 7424 7569 8016 8064 8352 9216 9352 9686 9744 10092 10521 10688 10752 11136 11774 12024 12992 13456 14028 14336 14529 14616 14848 15138 16032 16128 16704 17661 18432 18704 19372 19488 20184 21042 21376 21504 22272 23548 24048 25984 26912 28056 29058 29232 29696 30276 32064 32256 33408 33901 35322 37408 38744 38976 40368 42084 42752 43008 43587 44544 47096 48096 51968 52983 53824 56112 58116 58464 59392 60552 64128 64512 66816 67802 70644 74816 77488 77952 80736 84168 85504 87174 89088 94192 96192 101703 103936 105966 107648 112224 116232 116928 121104 128256 129024 133632 135604 140447 141288 149632 154976 155904 161472 168336 171008 174348 178176 188384 192384 203406 207872 211932 215296 224448 232464 233856 242208 256512 267264 271208 280894 282576 299264 305109 309952 311808 322944 336672 342016 348696 376768 384768 406812 415744 421341 423864 430592 448896 464928 467712 484416 513024 534528 542416 561788 565152 598528 610218 619904 623616 645888 673344 697392 753536 769536 813624 842682 847728 861184 897792 929856 935424 968832 983129 1026048 1084832 1123576 1130304 1197056 1220436 1239808 1247232 1264023 1291776 1346688 1394784 1507072 1539072 1627248 1685364 1695456 1722368 1795584 1859712 1870848 1937664 1966258 2169664 2247152 2260608 2394112 2440872 2479616 2528046 2583552 2693376 2789568 2949387 3014144 3078144 3254496 3370728 3390912 3591168 3719424 3741696 3875328 3932516 4339328 4494304 4521216 4881744 4959232 5056092 5167104 5386752 5579136 5898774 6028288 6508992 6741456 6781824 7182336 7438848 7750656 7865032 8678656 8848161 8988608 9042432 9763488 9918464 10112184 10773504 11158272 11797548 12056576 13017984 13482912 13563648 14877696 15501312 15730064 17357312 17696322 17977216 18084864 19526976 20224368 21547008 22316544 23595096 26035968 26965824 27127296 29755392 31460128 34714624 35392644 35954432 36169728 39053952 40448736 44633088 47190192 52071936 53931648 54254592 62920256 69429248 70785288 71908864 78107904 80897472 89266176 94380384 104143872 107863296 108509184 125840512 141570576 143817728 156215808 161794944 188760768 208287744 215726592 251681024 283141152 287635456 312431616 323589888 377521536 431453184 503362048 566282304 624863232 647179776 755043072 862906368 1006724096 1132564608 1294359552 1510086144 2013448192 2265129216 2588719104 3020172288 4530258432 6040344576 9060516864 18121033728
- Sum of all divisors σ(n): 62318168640
- Sum of proper divisors (its aliquot sum) s(n): 44197134912
- 18121033728 is an abundant number, because the sum of its proper divisors (44197134912) is greater than itself. Its abundance is 26076101184
Bases of 18121033728
- Binary: 100001110000001100100001000000000002
- Hexadecimal: 0x438190800
- Base-36: 8BOSN40
Squares and roots of 18121033728
- 18121033728 squared (181210337282) is 328371863371313577984
- 18121033728 cubed (181210337283) is 5950437611477781134312422244352
-
The
square root of 18121033728 is 134614.3890080105 -
The
cube root of 18121033728 is 2626.6023162135
Scales and comparisons
How big is 18121033728?- 18,121,033,728 seconds is equal to 576 years, 10 weeks, 4 hours, 28 minutes, 48 seconds.
-
To count from 1 to 18,121,033,728 would take you about one thousand, one hundred fifty-two years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 18121033728 cubic inches would be around 218.9 feet tall.
Recreational maths with 18121033728
- 18121033728 backwards is 82733012181
- 18121033728 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 18121033728's digits is 36
- More coming soon!
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The information we have on file for 18121033728 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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